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Launch FailureSoviet Space Program
UR-500: Proton 3a
The N-4 series of satellites, a.k.a. Proton-1, carried instruments to study super-high energy cosmic particles.
Thursday, 24 March 1966
Mission Data
🇷🇺Soviet Space ProgramEst. 1931
Launch VehicleUR-500
Vehicle FamilyProton / UR-500
Vehicle Record3 of 4 launches (75%)
Provider TypeGovernment
Agency Record2288 successes / 168 failures (93%)
Success Streak17 consecutive
Mission TypeAstrophysics
Target OrbitLow Earth Orbit
Launch Pad81/23 (81L)
Location🇰🇿 Baikonur Cosmodrome, Republic of Kazakhstan KAZ
Orbital Launches This Year#26
Agency Launches This Year#14
Launches From This Pad104
Launches From This Site1,565
Status Note
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
About UR-500
Proton is an expendable launch system used for both commercial and Russian government space launches. The first Proton rocket was launched in 1965.
Launch Site
81/23 (81L) · 46.0740°N 62.9780°E
Launch data from Launch Library 2 by The Space Devs.